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Marquise|Natural|IGI

1.00ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 801639655

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 801639655

Diamond specifications and retailer prices

From $3,100 AUD
As of November 1, 2026
Save $4,380 AUD (59%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,480 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 801639655. Listed at 18 retailers as of November 1, 2026, with prices from $3,100 to $7,480, a $4,380 spread on the same certified stone. NZ Jewellers lists it at $7,480. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.3°
OriginNatural
Grading LabIGI
CertificateIGI 801639655
Dimensions9.28 × 5.33 × 3.37 mm
L/W Ratio1.74
Girdle conditionFaceted
Top View
9.28 mm5.33 mm1.00 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801639655
Side View
Table 57.0%Crown 35.7°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,480 AUD|Low: $3,098 AUD|High: $7,655 AUD|Avg: $4,280 AUD|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 8$3,200 AUD
Retailer 14$3,231 AUD
Retailer 15$3,301 AUD
Retailer 2$3,397 AUD
Retailer 7$3,418 AUD
Retailer 13$3,550 AUD
Retailer 11$3,577 AUD
Retailer 6$3,661 AUD
Retailer 16$3,743 AUD
Retailer 12$3,853 AUD
Retailer 9$3,863 AUD
Retailer 3$4,128 AUD
Retailer 10$4,365 AUD
Retailer 4$4,553 AUD
Retailer 17$5,158 AUD
Retailer 5$6,414 AUD
NZ Jewellers$7,480 AUD

29 data points across 17 retailers

18 retailers$3,100 AUD to $7,480 AUD

A
Cheapest Retailer
-
$3,100 AUD
A
Retailer 2
-
$3,200 AUD
View
A
Retailer 3
-
$3,231 AUD
View
A
Retailer 4
-
$3,301 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,397 AUD
View
A
Retailer 6
-
$3,418 AUD
View
A
Retailer 7
-
$3,550 AUD
View
A
Retailer 8
-
$3,577 AUD
View
Retailer 9
-
$3,661 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$3,743 AUD
View
A
Retailer 11
-
$3,853 AUD
View
A
Retailer 12
-
$3,863 AUD
View
A
Retailer 13
-
$4,128 AUD
View
A
Retailer 14
-
$4,365 AUD
View
A
Retailer 15
-
$4,553 AUD
View
B+
Retailer 16
-
$5,158 AUD
View
B
Retailer 17
-
$6,414 AUD
View
Most Expensive
B
NZ Jewellers
436f37b0-8822-4d96-98af-ae1026f10194 · Nov 5
$7,480 AUD
$5,236 USD
View
17 more retailers have this diamond
Prices start from $3,100 AUDSave up to $4,380 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Marquise
$3,100 AUD